a    Projected estimate (medium fertility variant).
b    2019
c    2020
d    Excludes irrigation canals and landscaping care.
e    Excludes publishing activities.
f    Includes irrigation canals.
g    Excludes repair of personal and household goods.
h    Estimate.
i    Break in the time series.
j    2018
k    Data refers to a 5-year period preceding the reference year.
l    Refers to foreign citizens.
m    Including refugees.
n    Data as at the end of December.
o    2008
p    2012
q    2016
r    Data are as at 1 January of reporting year.
s    Population aged 10 years and over.
t    2017
u    Partial data.
v    Excluding business enterprise.